Home / 953,857,070.40-1,430,281,720.80-407,981,870.40

Finding the Fourth Proportional to 953,857,070.40, 1,430,281,720.80 and 407,981,870.40

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Solution

The fourth proportional to 953,857,070.40, 1,430,281,720.80 and 407,981,870.40 is: 611,757,284.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,857,070.40 : 1,430,281,720.80 = 407,981,870.40 : x
  2. Step 2: Convert to fraction form
    953,857,070.40/1,430,281,720.80 = 407,981,870.40/x
  3. Step 3: Cross multiply
    953,857,070.40x = 1,430,281,720.80 × 407,981,870.40
  4. Step 4: Simplify right side
    953,857,070.40x = 583,529,011,650,914,560
  5. Step 5: Solve for x
    x = 583,529,011,650,914,560/953,857,070.40
  6. Step 6: Final answer
    x = 611,757,284.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.